13 lines
352 B
TypeScript
13 lines
352 B
TypeScript
import { Buffer } from "node:buffer";
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const CLOSE_REASON_MAX_BYTES = 120;
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export function truncateCloseReason(
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reason: string,
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maxBytes = CLOSE_REASON_MAX_BYTES,
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): string {
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if (!reason) return "invalid handshake";
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const buf = Buffer.from(reason);
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if (buf.length <= maxBytes) return reason;
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return buf.subarray(0, maxBytes).toString();
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}
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